BW1 is The Ultimate One Part, Anti-Bacterial Tanking Solution for bathrooms, wet rooms, walk in showers, steam rooms and saunas.|Based on C-TEC’s TRIBRID® Technology with ADVANCED Polymer formulation it has enhanced bonding and incredible flexibility.|Made in Britain BW1 is easy to use, requires no priming and is a quick curing indoor waterproofing membrane that dramatically reduces both installation time and costs.|With a unique anti-bacterial formula BW1 is chemically enhanced to prevent and inhibit the development of mould and fungal growth. |Used in conjunction with BT1 - The Ultimate Bathroom Sealant and Adhesive, it’s the lasting solution for healthier bathrooms and environments